2819180380 has 48 divisors (see below), whose sum is σ = 6541093440. Its totient is φ = 1015190528.

The previous prime is 2819180339. The next prime is 2819180381. The reversal of 2819180380 is 830819182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819180381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172435 + ... + 188074.

It is an arithmetic number, because the mean of its divisors is an integer number (136272780).

Almost surely, 2^2819180380 is an apocalyptic number.

2819180380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2819180380 is an abundant number, since it is smaller than the sum of its proper divisors (3721913060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2819180380 is a wasteful number, since it uses less digits than its factorization.

2819180380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360558 (or 360556 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 2819180380 is about 53095.9544598268. The cubic root of 2819180380 is about 1412.6707557683.

The spelling of 2819180380 in words is "two billion, eight hundred nineteen million, one hundred eighty thousand, three hundred eighty".